Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice. A Decision Not Made Is Still a Decision Investors who put off important investment decisions may face potential consequence to their future financial security. Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education.